feat: release design system engine, studio and component contracts

examples/component-showcase/app/pages/components/marquee.wrn

@@ -278,7 +278,7 @@ page MarqueeDetail {
         <div class="demo-workbench">
           <div id="marquee-demo-1" class="demo-canvas demo-canvas--1">
             <div class="demo-browser-chrome"><span></span><span></span><span></span><small>Live preview</small></div>
-            
+
             <div class="demo-render"><Marquee size="default" title="Supported capabilities" description="A polished default marquee for a modern application." items='[{"label":"SSR"},{"label":"CSR"},{"label":"Themes"},{"label":"Accessibility"},{"label":"Responsive UI"}]' variant="default" class="showcase-instance showcase-instance--1" /></div>
           </div>
           <section class="demo-code" aria-label="Partner and capability strip usage">
@@ -320,7 +320,7 @@ page MarqueeDetail {
         <div class="demo-workbench">
           <div id="marquee-demo-2" class="demo-canvas demo-canvas--2">
             <div class="demo-browser-chrome"><span></span><span></span><span></span><small>Live preview</small></div>
-            
+
             <div class="demo-render"><Marquee size="sm" title="Compact Marquee" description="A compact configuration for dashboards and dense product surfaces." items='[{"label":"All services operational"},{"label":"New components published"},{"label":"Documentation updated"}]' variant="soft" class="showcase-instance showcase-instance--2" /></div>
           </div>
           <section class="demo-code" aria-label="Compact announcement ticker usage">
@@ -358,7 +358,7 @@ page MarqueeDetail {
         <div class="demo-workbench">
           <div id="marquee-demo-3" class="demo-canvas demo-canvas--3">
             <div class="demo-browser-chrome"><span></span><span></span><span></span><small>Live preview</small></div>
-            
+
             <div class="demo-render"><Marquee size="lg" color="info" title="Built for complete digital platforms" description="A richer configuration demonstrating additional content and hierarchy." items='[{"label":"Public portals","icon":"icon-[lucide--landmark]"},{"label":"Enterprise systems","icon":"icon-[lucide--building-2]"},{"label":"Developer tools","icon":"icon-[lucide--code-2]"}]' variant="raised" class="showcase-instance showcase-instance--3" /></div>
           </div>
           <section class="demo-code" aria-label="Large visual marquee usage">